<?php

namespace backend\models;

use Yii;
use yii\base\Model;
use yii\data\ActiveDataProvider;
use backend\models\Product;

/**
 * ProductSearch represents the model behind the search form about `backend\models\Product`.
 */
class ProductSearch extends Product
{
    /**
     * @inheritdoc
     */
    public function rules()
    {
        return [
            [['productId', 'categoryId', 'number', 'issale', 'ishot', 'istui', 'ison'], 'integer'],
            [['title', 'description', 'cover', 'pictures', 'createTime'], 'safe'],
            [['price', 'saleprice'], 'number'],
        ];
    }

    /**
     * @inheritdoc
     */
    public function scenarios()
    {
        // bypass scenarios() implementation in the parent class
        return Model::scenarios();
    }

    /**
     * Creates data provider instance with search query applied
     *
     * @param array $params
     *
     * @return ActiveDataProvider
     */
    public function search($params)
    {
        $query = Product::find();

        // add conditions that should always apply here

        $dataProvider = new ActiveDataProvider([
            'query' => $query,
        ]);

        $this->load($params);

        if (!$this->validate()) {
            // uncomment the following line if you do not want to return any records when validation fails
            // $query->where('0=1');
            return $dataProvider;
        }

        // grid filtering conditions
        $query->andFilterWhere([
            'productId' => $this->productId,
            'categoryId' => $this->categoryId,
            'number' => $this->number,
            'price' => $this->price,
            'issale' => $this->issale,
            'ishot' => $this->ishot,
            'istui' => $this->istui,
            'saleprice' => $this->saleprice,
            'ison' => $this->ison,
            'createTime' => $this->createTime,
        ]);

        $query->andFilterWhere(['like', 'title', $this->title])
            ->andFilterWhere(['like', 'description', $this->description])
            ->andFilterWhere(['like', 'cover', $this->cover])
            ->andFilterWhere(['like', 'pictures', $this->pictures]);

        return $dataProvider;
    }
}
